* {
  margin: 0;
  padding: 0;
  font-family: '微软雅黑';
}
body {
  overflow: hidden;
}
h1 {
  text-align: center;
  margin: 35px !important;
}
.receiver,
.sender {
  width: 1000px;
  margin: 0 auto;
  position: relative;
  display: block;
}
.receiver:after,
.sender:after {
  content: '';
  display: block;
  visibility: hidden;
  height: 0;
  clear: both;
}
.receiver li,
.sender li {
  float: left;
  position: relative;
  display: block;
  margin: 10px;
  width: 30px;
  height: 30px;
  background-color: black;
  text-align: center;
  line-height: 30px;
  color: white;
  -webkit-border-radius: 50%;
  -moz-border-radius: 50%;
  border-radius: 50%;
  list-style-type: none;
  border: solid 1px black;
}
.receiver .active,
.sender .active {
  background-color: transparent;
  color: black;
  border: solid 1px black;
}
.receiver .sending-window,
.sender .sending-window,
.receiver .receiving-window,
.sender .receiving-window {
  position: absolute;
  top: 50%;
  margin-top: -20px;
  left: 0;
  width: 250px;
  height: 40px;
  -webkit-border-radius: 15px;
  -moz-border-radius: 15px;
  border-radius: 15px;
  border: solid black 1px;
}
.receiver .sending-window .progress-wrapper,
.sender .sending-window .progress-wrapper,
.receiver .receiving-window .progress-wrapper,
.sender .receiving-window .progress-wrapper {
  width: 100%;
  height: 40px;
  -webkit-border-radius: 15px;
  -moz-border-radius: 15px;
  border-radius: 15px;
  overflow: hidden;
}
.receiver .sending-window .cts-progress,
.sender .sending-window .cts-progress,
.receiver .receiving-window .cts-progress,
.sender .receiving-window .cts-progress {
  height: 40px;
  width: 0;
  background: rgba(0, 0, 0, 0.3);
}
.receiver .sending-window .tip,
.sender .sending-window .tip,
.receiver .receiving-window .tip,
.sender .receiving-window .tip {
  font-size: 12px;
  display: block;
  position: absolute;
  top: -20px;
}
.receiver .sending-confirm-container {
  position: relative;
}
.receiver .receiving-container {
  position: relative;
}
.receiver .receiving-container li {
  z-index: 1;
}
.receiver li {
  background-color: #ADADAD;
  border: solid 1px #ADADAD;
  color: #ADADAD;
}
.receiver .last {
  position: absolute;
  right: -50px;
  background-color: red;
  border: solid 1px red;
}
.sender {
  margin-top: 250px;
}
form {
  width: 1130px;
  margin: 50px auto;
}
form .form-control {
  width: 130px !important;
}
form .first-addon {
  width: 167px !important;
}
form .last-addon {
  width: 51px !important;
}
.log {
  font-family: '微软雅黑';
  position: absolute;
  left: 50%;
  top: 197px;
  background: #D3D3D3;
  margin-left: -225px;
  width: 450px;
  height: 170px;
}
.log .normal,
.log .error {
  position: absolute;
  height: 170px;
  width: 225px;
  overflow: hidden;
  padding-top: 10px;
  padding-bottom: 10px;
}
.log .normal {
  left: 0;
}
.log .error {
  right: 0;
}
.log li {
  height: 25px;
  line-height: 25px;
  list-style-type: none;
  margin-left: 20px;
}
.ruler {
  position: absolute;
  left: 100px;
  top: 135px;
  width: 0;
  height: 300px;
  border: solid 1px #838383;
}
.ruler .tip {
  position: absolute;
  top: 50%;
  left: -60px;
  margin-top: -8px;
}
